Home / 109,605.91-164,311.66-53,414.59

Finding the Fourth Proportional to 109,605.91, 164,311.66 and 53,414.59

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Solution

The fourth proportional to 109,605.91, 164,311.66 and 53,414.59 is: 80,074.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,605.91 : 164,311.66 = 53,414.59 : x
  2. Step 2: Convert to fraction form
    109,605.91/164,311.66 = 53,414.59/x
  3. Step 3: Cross multiply
    109,605.91x = 164,311.66 × 53,414.59
  4. Step 4: Simplify right side
    109,605.91x = 8,776,639,607.11
  5. Step 5: Solve for x
    x = 8,776,639,607.11/109,605.91
  6. Step 6: Final answer
    x = 80,074.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.